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which color I get, I mean which style has the most important significant value

I am facing issue while connecting with other page using a.nav_link button in the nav element

below is the code i am trying String[] myJsonData = request.getParameterValues("cartData"); System.out.println(" post 78 myJsonData: "+myJsonData); System.out.println(" length 78 myJsonData: "+myJsonData[0]); // processRequest(request, response); ArrayList<String> listdata = new ArrayList<String>(); JSONArray jArray = null; try { jArray = new JSONArray(myJsonData); } catch (JSONException ex) { Logger.getLogger(placeOrderServlet.class.getName()).log(Level.SEVERE, null, ex); } System.out.println("***** jArray "+jArray); System.out.println("*length**** jArray "+jArray.length()); **************************************************************************************** this is the output. after conversion also length is 1 only **************************************************************************************** post 78 myJsonData: [Ljava.lang.String;@747db409 length 78 myJsonData: [{"b_id":22,"b_price":200,"b_name":"The Indian Cookery Course","b_count":1,"b_total":200},{"b_id":23,"b_price":300,"b_name":"Chicken Recipes","b_count":1,"b_total":300},{"b_id":24,"b_price":200,"b_name":"Kerala cook book","b_count":1,"b_total":200}] ***** jArray ["[{\"b_id\":22,\"b_price\":200,\"b_name\":\"The Indian Cookery Course\",\"b_count\":1,\"b_total\":200},{\"b_id\":23,\"b_price\":300,\"b_name\":\"Chicken Recipes\",\"b_count\":1,\"b_total\":300},{\"b_id\":24,\"b_price\":200,\"b_name\":\"Kerala cook book\",\"b_count\":1,\"b_total\":200}]"] *length**** jArray 1 ***** listdata [[{"b_id":22,"b_price":200,"b_name":"The Indian Cookery Course","b_count":1,"b_total":200},{"b_id":23,"b_price":300,"b_name":"Chicken Recipes","b_count":1,"b_total":300},{"b_id":24,"b_price":200,"b_name":"Kerala cook book","b_count":1,"b_total":200}]] **size*** listdata 1